Fox topped the night in the adult demo thanks to a steady "The X-Factor" (9.4 million, 3.4).

CNN: 'Nashville' ratings smother 'Chicago Fire'

Here's "Idol's" Wednesday night track in the demo since its debut this season: 6.0, 5.5, 5.5, 4.6, 4.3, 4.1, 3.9, 3.8, 3.8, 3.6.

CNN: 'American Idol' drops again: How low will the ratings go?

The Reinvent Payphones Demo Day occurred last night at Quirky, a social product development company that brings new product ideas to life through its online collaborative platform.

ENGADGET: NYC awards six Reinvent Payphones finalists, asks public to select favorite via Facebook